MPPT 75/10 Blue light blinking and not charging

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tteam asked Jun 6, '19

MPPT 75/10 Blue light blinking and not charging

New solar panel installed on RV- 75-10. Blue light on controller blinks every three seconds and the manual says this is because the panel isn’t charging. What is wrong? RV has been in sun for two days. @Tteam

MPPT Controllers battery charging led

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Murray van Graan commented · Jun 06, 2019 at 08:16 PM

Could you provide more info please like

Panel and battery voltages

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JohnC answered · Jun 07, 2019 at 07:32 AM

You'll need to see the Panel V. Also check wiring polarity and continuity.

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Modifications Space

Node Red Space

Answer 1 · 2019-06-07T00:43:41Z

tteam answered · Jun 07, 2019 at 12:43 AM

Not sure about the panel, that was just installed by camping center. Battery voltage reads 12.47 V. We are new to all of this.

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